テストステロンとスタノゾロールの対照効果は,血清リポプロテインのレベルに作用する
P D Thompson1, E M Cullinane, S P Sady
1Department of Medicine, Miriam Hospital, Providence, RI 02906.
JAMA
|February 24, 1989
まとめ
口服のアナボリックステロイドは,テストステロンとは異なり,高密度リポプロテイン (HDL) コレステロールを著しく低下させます. この研究では,経口スタノゾロールと注射用テストステロンが脂質プロファイルに与える異なった効果を強調しています.
科学分野:
- エンドクリノロジー エンドクリノロジー
- 脂質代謝についてです.
- 薬理学 薬理学とは
背景:
- 口服のアナボリックアンドロゲンステロイド (AAS) は,脂質プロファイルに悪影響を及ぼし,特に高密度リポプロテイン (HDL) コレステロールを減らすことが知られている.
- リポタンパク質に対する異なるAAS投与経路の特定のメカニズムと比較効果は,臨床アプリケーションの関心分野であり続けています.
研究 の 目的:
- アンドロゲン効力ではなく,投与経路が,経口から投与されるアナボリックステロイドが血清脂質濃度に与える影響に影響を及ぼすという仮説を検証する.
- 経口スタノゾロールと筋肉内テストステロンエナンサートの効果をHDLコレステロール,アポリポプロテインA-I,低密度リポプロテイン (LDL) コレステロール,肝臓トリグリセリドリパース活性に比較する.
主な方法:
- 6週間にわたって11人の男性ウェイトリフッターを対象としたクロスオーバー研究.
- 経口スタノゾロール (6 mg/d) と筋肉内テストステロンエナンサート (200 mg/wk) をランダムに配列で投与する.
- 血清脂質プロファイル,アポリポプロテインA-Iレベル,およびヘパリン後の肝臓トリグリセリド脂質酵素活性度の評価.
主要な成果:
- 経口スタノゾロールは,HDLコレステロール (33%) とHDL2サブフラクション (71%) を著しく低下させ,アポリポプロテインA-I (40%) を減少させ,LDLコレステロール (29%) を増加させました.
- テストステロンエナンサートは,HDLコレステロール (9%,主にHDL3),アポリポプロテインA-I (8%),LDLコレステロール (16%) のわずかな減少を引き起こしました.
- スタノゾロールは肝臓トリグリセリドリパース活性 (123%) を有意に増加させ,これはテストステロンでは観察されなかった効果である.
結論:
- スタノゾロールのような口服17α-アルキル化ステロイドの有害なリポプロテイン効果は,親腸内テストステロンと著しく異なる.
- 親腸内テストステロンは,HDLコレステロールおよび他の脂質パラメータに対する有害な影響が少ないため,臨床環境では好ましい選択肢である可能性があります.
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